The surface equation of metallic spiral casing was obtained by applying the enveloping surface theory.

利用包络理论,将水电站金属蜗壳曲面视为变径球面族的包络面,导出金属蜗壳曲面的理论方程.

The sound is rich and enveloping , with plenty of power to rattle the house.

丰富的声音和包络环面，留出足够的权力，脆裂的房子。

Planar double-enveloping speed reducer is used for paper cutting drive, fast cutting speed, low noise. F.

切纸传动采用平面二次包络减速机传动，裁切速度快，噪音更低。

Planar double-enveloping speed reducer is used for paper cutting drive, fast cutting speed, low noise. G.

切纸传动采用平面二次包络减速机带动，裁切速度快，噪音更低。

This paper studies the relief grinding problem of the hob of point contact worm gear drive and puts forward a one-parameter enveloping method to calculate the axial profile of relief grinding wheel.

本文研究了加工经可控曲率修正的蜗轮齿面的滚刀设计问题，建立了相应的数学模型，并应用计算铲磨蜗轮滚刀刃形曲线的单参数包络法，求出铲磨砂轮截形曲线。

May include enveloping, de-enveloping, or encryption.

可以包含包封、反包封或加密。

May include enveloping , de - enveloping , or encryption

可以包含包封、反包封或加密。

Suitable for car painting enveloping or any important enveloping.

适用于汽车喷漆遮盖、任何有高温要求的重要遮盖.

Their voices were intimate and enveloping.

她们的声音是那么的让人亲近。

Always the eyes watching you and the voice enveloping you.

那眼睛永远盯着你，那声音永远裹着你。